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<head>
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    <title>Document</title>
    <style>
        .box {
            border-top: 3px solid orangered;
            border-bottom: 1px solid gray;
        }
        .box>a{
            width: 100px;
            height: 50px;
            display:inline-block;
            text-align: center;
            line-height: 50px;
        }
        .box>a:hover{
            background-color: #d2d2d2;
        }
        .box a{
            text-decoration: none;
            color: rgb(64,64,64);
        }
        .box a:hover{
            color:orangered;
        }
    </style>
</head>
<body>
    <div class="box">
        <a herf="">新浪导航</a>
        <a herf="">新浪导航</a>
        <a herf="">新浪导航</a>
        <a herf="">新浪导航</a>
    </div>
</body>
</html>